package main

import "fmt"

type Student struct {
	Name string
	Age  int
}

type Person struct {
	Name string
	Age  int
}

func main() {
	var s Student = Student{"张三", 18}
	var p Person = Person{"李四", 20}
	s = Student(p)
	fmt.Println(s)
	fmt.Println(p)
}
